PITTSBURGH (KDKA) -- Without light, we can't have sight. We see objects because of how light interacts with those objects, our eyes pick up that light, and our brains interpret it. This seems rather ...

Sometimes when you look into a swimming pool it’s difficult to tell how deep the water actually is. If you grab something long, like a stick, you can use it to test the depth of the water. Upon ...

Physicists at the University of California, San Diego who last year produced a new class of composite materials believed to reverse the behavior of many fundamental electromagnetic properties ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

When people look into a mirror, they see an image of themselves behind the glass. That image results from light rays encountering the shiny surface and bouncing back, or reflecting, providing a ...

Created more than 400 years ago, the telescope is a tool that has allowed both amateurs and scientists alike to explore the sky in much more detail than they ever could with their naked eyes. All ...